Adding support for Hidden parameter plugin

Change-Id: I853b12bc0b28211133cf9bb990e910df6541f4f7

jenkins_jobs/modules/parameters.py

@@ -760,6 +760,27 @@ def maven_metadata_param(parser, xml_parent, data):
     XML.SubElement(pdef, 'password').text = data.get('repository-password', '')
 
 
+def hidden_param(parser, xml_parent, data):
+    """yaml: hidden
+    Allows you to use parameters hidden from the build with parameter page.
+    Requires the Jenkins :jenkins-wiki:`Hidden Parameter Plugin
+    <Hidden+Parameter+Plugin>`.
+
+    :arg str name: the name of the parameter
+    :arg str default: the default value of the parameter (optional)
+    :arg str description: a description of the parameter (optional)
+
+    Example:
+
+    .. literalinclude::
+       /../../tests/parameters/fixtures/hidden-param001.yaml
+       :language: yaml
+
+    """
+    base_param(parser, xml_parent, data, True,
+               'com.wangyin.parameter.WHideParameterDefinition')
+
+
 class Parameters(jenkins_jobs.modules.base.Base):
     sequence = 21
 

tests/parameters/fixtures/hidden-param001.xml

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="utf-8"?>
+<project>
+  <properties>
+    <hudson.model.ParametersDefinitionProperty>
+      <parameterDefinitions>
+        <com.wangyin.parameter.WHideParameterDefinition>
+          <name>FOO</name>
+          <description>A parameter named FOO, defaults to 'bar'</description>
+          <defaultValue>bar</defaultValue>
+        </com.wangyin.parameter.WHideParameterDefinition>
+      </parameterDefinitions>
+    </hudson.model.ParametersDefinitionProperty>
+  </properties>
+</project>

tests/parameters/fixtures/hidden-param001.yaml

@@ -0,0 +1,5 @@
+parameters:
+  - hidden:
+      name: FOO
+      default: bar
+      description: A parameter named FOO, defaults to 'bar'